Home / 20,643,452.32-28,445,987.37-15,968,850.48

Finding the Fourth Proportional to 20,643,452.32, 28,445,987.37 and 15,968,850.48

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Solution

The fourth proportional to 20,643,452.32, 28,445,987.37 and 15,968,850.48 is: 22,004,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643,452.32 : 28,445,987.37 = 15,968,850.48 : x
  2. Step 2: Convert to fraction form
    20,643,452.32/28,445,987.37 = 15,968,850.48/x
  3. Step 3: Cross multiply
    20,643,452.32x = 28,445,987.37 × 15,968,850.48
  4. Step 4: Simplify right side
    20,643,452.32x = 454,249,719,067,498.44
  5. Step 5: Solve for x
    x = 454,249,719,067,498.44/20,643,452.32
  6. Step 6: Final answer
    x = 22,004,542.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.